Closing a System

If you have completed work on the current System you may close the System and optionally save all changes you have made to the System as follows:

 From the File MenuselectClose.

 If you have made changes to the System since it was last saved, the Close Message Boxwill be displayed. SelectYesto close the System and save all changes or selectNoto close the System without your latest changes. If you have never saved this System before, the save will be treated as a Save As. You may also selectCancelto abort the close operation.

Exiting cosmos

You may end your COSMOS session as follows:

 From the File MenuselectExit.

 If you have made changes to any open System since it was last saved the Close Message Box will be displayed. SelectYesto close the System(s), save all changes, and exit or selectNoto close the System(s) and exit without saving your latest changes. If you have open Systems which have never been saved before, the save of these Systems will be treated as a Save As. You may also selectCancelto abort the exit operation.

Chapter 6 Using Advanced cosmos Features Sensitivity Analysis

	Sensitivity Analysis allows you to adjust your model to allow for uncertainties in your model inputs (for example, function point countsorsource lines of code). You may enter a percentage to indicate the level of uncertainty that you have for a model input. This adjustment percentage is then used by COSMOS to calculate a range when producing the results for your project or model.
To view Sensitivity Analysis results, Display Sensitivity Analysis must be marked on the Display Options Dialog Box.	The following shows the results from a COCOMO Model that has a 5% Sensitivity Adjustment applied to the estimated source lines of code:

In this example, the 10,000 SLOC is converted into a sensitivity range of 9500 - 10,500 SLOC. The model is then calculated based on both the estimated SLOC and the sensitivity range. The results for the Sensitivity Analysis are displayed to the right of the results for the estimate. This example shows that it should take between 37.3 and 41.8 Nominal and Adjusted Person Months and between 8.9 and 9.2 calendar months to develop 10,000 SLOC based on an uncertainty of 5% in your SLOC estimate.

Entering Function Point Sensitivity Adjustments

COSMOS allows you to enter sensitivity adjustments for your Function Point Model at four different levels. You may enter a single adjustment for the Unadjusted or Adjusted Function Points, a different adjustment for each category of function point counts, or an individual adjustment for each of fifteen function point counts.

You may enter Function Point sensitivity adjustments by following these steps:

 Select the Summary Information Windowfor your Function Point Model or Project to make it the active window.

 Select Function Pointfrom theMenu Bar. TheFunction Point Menuwill be displayed.

 Select Sensitivity Analysis. TheFunction Point Sensitivity Adjustment Dialog Boxwill now be displayed.

 Select the radio button for Details, Intermediate Totals, Unadjusted FPs, or Adjusted FPs to choose the level to apply the sensitivity adjustments to your model.

 You are now allowed to enter the adjustment percentagesin the adjustment fields for the chosen level. The adjustment fields available are based on the adjustment level chosen.

 After entering your adjustment percentages, selectOKto keep your adjustments and return to your model'sSummary Information Window. You may also selectCancelif you wish to return to your model without keeping your changes.